Spectacles.



N. BOURQUIN. SPEGTAGLES.

APPLICATION FILED SEPT. 1, 1909.

1,031,684. Patented July 9,1912.

Nzz/iza Fizz/712127,

nvantoz COLUMBIA PLANOGRAI'H co, WASHINGTON, n c.

" UNTTED fiTATES- NUMA BOURQUIN, OF READING, PENNSYLVANIA, ASSIGNOR, BY.MESNE ASSIGN- MENTS, T0 T. A. WILLSON & COMPANY, INCORPORATED, OF,HEADING, PENNSYL- VANIA, A CORPORATION OF PENNSYLVANIA.

SPECTACLES'.

Specification of Letters Patent.

Patented July 9, 1912.

Application fi1ed. September 1, 1909. Serial No. 515,654.

To all whom it may concern:

' Be it known that I, NUMA BOURQUIN, a citizen of the United States, anda resident of the city of Reading, in the county of Berks and State ofPennsylvania, have invented certain new and useful Improvements inSpectacles, of which the following is a specification.

This invention relates particularly to spectacle temples in which thewire shaft portions are provided with separatelyformed sheet-metal pivotpieces adapted to connect with the temple-joint ends, such as is showninPatent No. 8 11,? 55, issued January 22, 1907, to T.A. Willson.

The main object of the present invention is to secure in connection withthe cheapness of production enabled by thus empl0ying sheet-metal, animproved effect as to appearance and service heretofore attained only inmore expensive constructions; and to this end it consists in employing asubstantially rectangular sheet metal blank folded throughout itslength, with a sharp bend to form the flat pivot-ear portion, and with acylindrical bend to form the shank or shaft-attaching portion; the pivotears being thus rigidly connected to each other and to the shankportion, and the formed device having substantially the strength andappearance of a machine finished fitting.

The invention is fully described in connection with the accompanyingdrawings and the novel features are specifically pointed out in theclaims.

Figure 1 shows my finished temple applied to the temple-joint end of aspectacle frame, said end being indicated in dotted lines. Fig. 2 is aview of the same taken at right angles to Fig. 1. Fig. 3 shows a sheetmetal blank or punching from which my improved temple pivot-piece may beformed as indicated in Figs. 4; to 7.

The temple-joint end 2 is of well-known form comprising a perforated jawportion 3 for the reception of the temple pivotpiece and the pivot pinconnecting the same, and provided with a stop 4 for limiting the swingof the temple. The latter comprises as usual a shaft portion 5 the endof which is adapted to engage said jaw and pivot pin. Heretofore thistemple end has been made integral with the shaft in some cases, while inothers it has constituted a separately formed part secured to the shaft;and in the latter construction it has either been machined out of thesolid or formed from sheet metal. While the sheet-metal construct-ionpermits of a considerable reduction in labor cost the resulting producthas heretofore been less satisfactory, particularly in appearance, thanthe more expensive integral or machined-end constructions, and thepurpose ofmy invent-ion is to practically overcome this objection whileretaining the advantage of. cheapness attained by employing sheet-metal.This I have accomplished in a simple but effective manner as will now bespecifically described-in connection with the drawing, the resultattained being a close approximation in general characteristics andappearance to the more expensive machined product.

The sheet-metal punching or blank indicated in Fig. 3 is a substantiallyrectangular plate having side extensions 10 10 at the pivoting end toprovide for the pivot apertures 14:, while the shank end is ofsufiicient width only to form a shaft-inclosing cylinder when folded soas to bring the sides 11 11 to abutting position. The blank is leftsolid between the pivoting ear apertures 14, and in forming the pivotpiece the blank is folded or bent throughout its whole length on themiddle longitudinal line thereof; the shank portion being bent in curvesto the cylindrical form 11 as shown, while the other half of the lengthof the blank is sharply bent on the middle dotted line shown in Fig. 3so as to form the fiat doubled-plate pivoting portion 10, with a solidjunction 12 between the differently bent portions. The parallel plates10 10 being united at the sharp bend of the blank, the appearance andstrength of a pivot piece formed out of the solid is approximatelysecured; but to give better form to the finished device, and for thepurpose of bringing the pivot apertures more nearly into alinement withthe shaft axis 1515 of the shank portion, the formed piece is bent atthe junction 12 in the planeof the flat pivoting portion 10, asindicated in Fig. 5, the point 16 which is thus apt to be swungunnecessarily beyond theaxial line 1515, being beveled oi? as indicatedin Fig. 6, if desired.

. l/Vhat I claim is 1. A spectacle temple comprising a separately formedpivot piece made from an approximately rectangular sheet metal blankhaving pivot ear extensions, said blank being folded throughout itslength on a middle longitudinal line with a sharp-bend extendingapproximately one-half the length of theblank to form a fiatdouble-plate pivoting portion, and with a cylindrical bend of the otherhalf of the blank to form a shaftinclosing portion. I v 2. A spectacletemple comprising a separately formed pivot piece made from anapproximately rectangular sheet metal blank having pivot ear extensions,said blank being folded throughout its length on a middle longitudinalline with a sharp-bend extending approximately one-half the length ofthe blank to form a flat doubled-plate pivoting portion, and with acylindrical bend of the other half of the blank to form a shaftinclosingportion, the formed piece being bent at the junction of said portions inthe plane of the fiat pivoting portion.

3. A spectacle temple comprising a separately formed pivot piece madefrom an ap proximately rectangular sheet metal blank having pivot earextensions, said blank being folded throughout its length on a middlelongitudinal line With a sharp-bend extending approximately one-half thelength of the blank to form a flat doubled-plate pivoting portion, andwith a cylindrical bend of the other half of the blank to forma'shaftinclosing portion, the formed piece being bent at the junction ofsaid portions in the plane of the fiat pivoting portion and the outercorner of the latter being beveled.

In testimony whereof, I afiix my'signature, in the presence of twowitnesses.

' i NUMA BOURQUIN.

Witnesses: 1

D. M. STEWART, W. G.- STEWART.

Copies of this vpatent may be obtained for five cents each, byaddressing the Gommissionerof Patents, I

Washington, D. G3

